python 安装 cv2报错 conda install PackagesNotFoundError

问题描述：在vscode中利用conda 安装 cv2报错

报错如下：Collecting package metadata (current_repodata.json): done

Solving environment: unsuccessful initial attempt using frozen solve. Retrying with flexible solve.

Collecting package metadata (repodata.json): done

Solving environment: unsuccessful initial attempt using frozen solve. Retrying with flexible solve.

PackagesNotFoundError: The following packages are not available from current channels:

• cv2
  Current channels:

解决

方案一

conda config --add channels conda-forge

conda config --add channels anaconda.org

• 结果：报错如下
  HTTP 404 NOT FOUND for channel anaconda.org https://conda.anaconda.org/anaconda.org
  The channel is not accessible or is invalid.
  方案二

conda config --remove-key channels

pip install opencv-python

• 结果 ：
  Successfully installed opencv-python-4.9.0.80

• 总结：安装cv2 时使用如下命令
• pip install opencv-python
• 使用时：import cv2 as cv